Convenient refueling system of micro-reactor and operation method of convenient refueling system

The embodiment of the invention provides a convenient refueling system of a micro reactor and an operation method of the convenient refueling system, and relates to the field of reactors. The convenient material changing system of the micro-reactor comprises a reaction chamber, a feeding chamber, a feeding pipe and a discharging pipe, the feeding chamber is located on the upper side of the reaction chamber, the discharging pipe is contained in the reaction chamber, the end of the discharging pipe penetrates through the side wall of the reaction chamber, the feeding pipe penetrates through the feeding chamber, one end of the feeding pipe is located on the upper side of the feeding chamber, and the other end of the feeding pipe is contained in the discharging pipe; the feeding pipe is provided with a feeding hole, the feeding hole is simultaneously communicated with the feeding chamber and the reaction chamber, the discharging pipe is provided with a discharging hole, and the discharging hole is communicated wi